/*************************************************************************/
/*  segment_shape_2d.cpp                                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include "segment_shape_2d.h"

#include "servers/physics_2d_server.h"
#include "servers/visual_server.h"

void SegmentShape2D::_update_shape() {

	Rect2 r;
	r.pos=a;
	r.size=b;
	Physics2DServer::get_singleton()->shape_set_data(get_rid(),r);
	emit_changed();

}

void SegmentShape2D::set_a(const Vector2& p_a) {

	a=p_a;
	_update_shape();

}
Vector2 SegmentShape2D::get_a() const {

	return a;
}

void SegmentShape2D::set_b(const Vector2& p_b) {

	b=p_b;
	_update_shape();

}
Vector2 SegmentShape2D::get_b() const {

	return b;
}

void SegmentShape2D::draw(const RID& p_to_rid,const Color& p_color) {

	VisualServer::get_singleton()->canvas_item_add_line(p_to_rid,a,b,p_color,3);
}

Rect2 SegmentShape2D::get_rect() const{

	Rect2 rect;
	rect.pos=a;
	rect.expand_to(b);
	return rect;

}




void SegmentShape2D::_bind_methods() {

	ClassDB::bind_method(_MD("set_a","a"),&SegmentShape2D::set_a);
	ClassDB::bind_method(_MD("get_a"),&SegmentShape2D::get_a);

	ClassDB::bind_method(_MD("set_b","b"),&SegmentShape2D::set_b);
	ClassDB::bind_method(_MD("get_b"),&SegmentShape2D::get_b);


	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"a"),_SCS("set_a"),_SCS("get_a") );
	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"b"),_SCS("set_b"),_SCS("get_b") );

}

SegmentShape2D::SegmentShape2D() : Shape2D( Physics2DServer::get_singleton()->shape_create(Physics2DServer::SHAPE_SEGMENT)) {

	a=Vector2();
	b=Vector2(0,10);
	_update_shape();
}


////////////////////////////////////////////////////////////


void RayShape2D::_update_shape() {

	Physics2DServer::get_singleton()->shape_set_data(get_rid(),length);
	emit_changed();

}


void RayShape2D::draw(const RID& p_to_rid,const Color& p_color) {


	Vector2 tip = Vector2(0,get_length());
	VS::get_singleton()->canvas_item_add_line(p_to_rid,Vector2(),tip,p_color,3);
	Vector<Vector2> pts;
	float tsize=4;
	pts.push_back(tip+Vector2(0,tsize));
	pts.push_back(tip+Vector2(0.707*tsize,0));
	pts.push_back(tip+Vector2(-0.707*tsize,0));
	Vector<Color> cols;
	for(int i=0;i<3;i++)
		cols.push_back(p_color);

	VS::get_singleton()->canvas_item_add_primitive(p_to_rid,pts,cols,Vector<Point2>(),RID());



}

Rect2 RayShape2D::get_rect() const {

	Rect2 rect;
	rect.pos=Vector2();
	rect.expand_to(Vector2(0,length));
	rect=rect.grow(0.707*4);
	return rect;
}


void RayShape2D::_bind_methods() {

	ClassDB::bind_method(_MD("set_length","length"),&RayShape2D::set_length);
	ClassDB::bind_method(_MD("get_length"),&RayShape2D::get_length);

	ADD_PROPERTY( PropertyInfo(Variant::REAL,"length"),_SCS("set_length"),_SCS("get_length") );

}

void RayShape2D::set_length(real_t p_length) {

	length=p_length;
	_update_shape();
}
real_t RayShape2D::get_length() const {

	return length;


}

RayShape2D::RayShape2D()  : Shape2D( Physics2DServer::get_singleton()->shape_create(Physics2DServer::SHAPE_RAY)) {

	length=20;
	_update_shape();
}
